EP1085549A2 - Contacteur bistable - Google Patents

Contacteur bistable Download PDF

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Publication number
EP1085549A2
EP1085549A2 EP00120024A EP00120024A EP1085549A2 EP 1085549 A2 EP1085549 A2 EP 1085549A2 EP 00120024 A EP00120024 A EP 00120024A EP 00120024 A EP00120024 A EP 00120024A EP 1085549 A2 EP1085549 A2 EP 1085549A2
Authority
EP
European Patent Office
Prior art keywords
armature
coil
permanent magnet
coils
stable
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP00120024A
Other languages
German (de)
English (en)
Other versions
EP1085549A3 (fr
EP1085549B1 (fr
Inventor
Robert Kralik
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schaltbau GmbH
Original Assignee
Schaltbau GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Schaltbau GmbH filed Critical Schaltbau GmbH
Publication of EP1085549A2 publication Critical patent/EP1085549A2/fr
Publication of EP1085549A3 publication Critical patent/EP1085549A3/fr
Application granted granted Critical
Publication of EP1085549B1 publication Critical patent/EP1085549B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/22—Polarised relays
    • H01H51/2209—Polarised relays with rectilinearly movable armature

Definitions

  • the present invention relates to a bistable contactor with at least one Coil and an armature with contacts movable relative to the coil, which together with the contacts for opening or closing a circuit by means of the coil can be transferred from a first stable position into a second stable position is, and a permanent magnet, over which the anchor in one of its stable Supported positions against the coil.
  • Such a contactor is known for example from DE 197 44 396. With this The contacts are spring-mounted on the armature for protection. To open and close one Circuit is the armature by exciting the coil from a first stable Position in which the contacts of corresponding mating contacts of the relay are spaced, transferred to a second stable position in which the contacts the mating contacts to close the circuit.
  • the permanent magnet is attached to the armature and is therefore movable in relation to the coil. To transfer the armature between its two stable positions, the coil is each briefly stimulated. In the non-excited state, the permanent magnet in a magnetic circuit is closed in each of the two stable positions, so that the anchor is held in one of the two stable positions.
  • the Permanent magnets increase the inertia of the armature. Especially at Shaking loads can lead to contact problems. Also are the This limits the switching speed.
  • the object of the invention is therefore to provide bistable contactors of the type mentioned to develop in such a way that higher switching speeds can be achieved and at the same time ensures a safe contact when the circuit is closed is.
  • the object is achieved in that the permanent magnet opposite the coil stationary and a spring element is provided which the armature in the other bistable position from the permanent magnet objectionable bias.
  • the permanent magnet is no longer on Anchor is attached. Instead, the permanent magnet can e.g. B. on a housing be mounted in a fixed position with respect to the coil. This allows the anchor to be reduced in weight shape. Such a lighter anchor can be used in particular for Shaking loads increase contact reliability. This also makes it easy Structure of the contactor. There will be less demands on the leadership characteristics of the anchor.
  • one of the two can be bistable Positions of the armature on the permanent magnet, preferably the pole shoe issue. This enables a particularly stable position of the armature to be achieved, unlike conventional bistable shooters, there is no air gap between the anchors and permanent magnet in the respective stable position.
  • two coils can be provided be, by exciting one coil each, the armature in one of its two stable Positions can be transferred. This eliminates the need to move the spool of the armature between the two stable positions. Instead of each of which can have a coil for transferring it to one of the two positions be used. The circuit complexity can be reduced in this way.
  • the permanent magnet is within one Coil or the coils is arranged. This also makes the contactor more compact shape.
  • the inside of the coil or one of the coils arranged permanent magnets generate a strong magnetic flux.
  • the spring element acts as a compression spring is trained.
  • the anchor can be reliably and simply pretension in one of its two stable positions.
  • the single figure shows the bistable contactor according to the invention in a sectional view.
  • the contactor 1 has a substantially cylindrical housing 2 that there is an upper housing part 3 and a lower housing part 4.
  • the upper housing part 3 and the lower housing part 4 are placed on top of one another in a flange-like manner connected by screws 5.
  • At the lower end of the lower part of the housing 4 there is a coil holder 6 on which two coils 7 which are concentric with one another and 8 are attached.
  • the two coils 7 and 8 are essentially cylindrical formed, its axis of symmetry in the axis of symmetry of the housing 2 lies. Extends between the coil holder 6 and the coils 7 and 8 Guide element 9 made of plastic.
  • the guide element 9 has a cylindrical, essentially tubular Guide section 10 and a flange portion extending radially thereto 11.
  • the guide section 10 extends through the inner of the two Coils in the axial direction.
  • the flange section is between Coil holder 6 and the coils 7 and 8, wherein it extends essentially radially.
  • the coil holder 6 is provided with threads 12 into which the screws 5 are screwed become.
  • the screws 5 extend through through openings 13 and 14 each in the upper housing part 3 and lower housing part 4, so that the Screw 5 the upper housing part 3 and the lower housing part 4 with each other and with connect the bobbin holder 6.
  • a flange 15 on the side facing away from the housing 2 provided, which is connected to the coil holder 6 via holding elements 16.
  • a permanent magnet with pole piece 17 which has a Screw 18 and a thread, not shown, is connected to the flange 15.
  • the permanent magnet 17 is arranged essentially centrally in the axial direction of the coils.
  • two through openings 19 and 20 are provided, in which one Contact element 21 with contacts 22 is axially displaceably received.
  • an anchor 23 arranged, via a pin 24 attached to the armature 24 and a Support element 25 is connected to a holder 26 of the contact element 21.
  • the Bracket 26 encompasses the support element 25, the diameter of which is greater than the diameter of the pin is, thereby, the armature 23 and the contact element 21 to connect with each other in the axial direction.
  • the armature 23 is made in a known manner from magnetizable material, such as. B. metal manufactured.
  • the contact element 21 can also be made of metal.
  • the Through opening 20 is arranged in the lower housing part 4 on an intermediate floor, which is provided with a receptacle 27.
  • the receptacle 27 is concentric with the Axis of symmetry of the armature and serves to receive a compression spring 28, which between the receptacle 27 and a pressure surface 29 of the contact element 21. As a result, the contact element is raised in the illustration in the figure Prestressed position.
  • the mating contact element 30 has mating contacts 31, which can be brought into contact with the contacts 22.
  • a compression spring 32 the counter-contact element 30 is biased downwards in the illustration in the figure, So towards the contact element.
  • the mating contact element is for this slightly movable in the axial direction of the armature.
  • the contactor can over the flange 15 to z. B. an electrical machine become.
  • This assembly is carried out in a known manner and therefore need not be explained further become.
  • the arrangement of armature 23, contact element 21 and contact 22 can be shown in the figure in the vertical direction between two stable Positions are moved back and forth. In the first, lowered, stable position the armature 23 comes into contact with the pole shoe of the permanent magnet 17. The Armature 23 is held against the pressure force of the compression spring 28. In the second, raised stable position shown in the figure the armature 23 is spaced from the permanent magnet 17. The contact element 21 with the armature 23 is biased by the compression spring 28 in the raised position. This stable position is shown in the figure.
  • the contacts 22 and mating contacts 31 disengaged, so that a not shown Circuit can be opened.
  • the contacts are in the first, lowered position 22 and mating contacts 31 engaged so that the circuit is closed.
  • the contactor could also be designed so that in the lowered Position of the circuit interrupted and closed in the raised position is.
  • the transfer of the armature 23 from the first to the second position and vice versa takes place through the two coils 7 and 8.
  • the coil 7 and for transferring the armature from the second in the first position the coil 8 briefly excited. If the two coils 7 and 8 are de-energized, the armature 23 remains in the first or second stable position, depending on which of the two coils 7 and 8 were previously operated.
  • the armature 23 In the first lowered position, the armature 23 lies on the pole piece of the permanent magnet on. This causes a strong attraction to the armature 23 exercised so that the armature 23 is held securely in the first stable position.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electromagnets (AREA)
EP00120024A 1999-09-15 2000-09-14 Contacteur bistable Expired - Lifetime EP1085549B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29916233U DE29916233U1 (de) 1999-09-15 1999-09-15 Bistabiles Schütz
DE29916233U 1999-09-15

Publications (3)

Publication Number Publication Date
EP1085549A2 true EP1085549A2 (fr) 2001-03-21
EP1085549A3 EP1085549A3 (fr) 2002-10-16
EP1085549B1 EP1085549B1 (fr) 2005-05-11

Family

ID=8078948

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00120024A Expired - Lifetime EP1085549B1 (fr) 1999-09-15 2000-09-14 Contacteur bistable

Country Status (3)

Country Link
US (1) US6538541B1 (fr)
EP (1) EP1085549B1 (fr)
DE (2) DE29916233U1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004093306A2 (fr) * 2003-04-10 2004-10-28 Prasanna Srinivasa G N Commande de mouvement au moyen de forces electromagnetiques
US6831535B1 (en) * 2003-11-25 2004-12-14 China Patent Investment Limited Bistable electromagnetic relay
CN100517541C (zh) * 2005-01-08 2009-07-22 艾默生网络能源系统有限公司 一种双稳态接触器驱动电路
KR100652600B1 (ko) * 2005-07-13 2006-12-01 엘지전자 주식회사 마이크로파를 이용한 조리기기
EP2600361A1 (fr) * 2011-11-29 2013-06-05 Eaton Industries (Netherlands) B.V. Actionneur électromagnétique
CN105895452B (zh) * 2016-05-27 2017-11-10 浙江英洛华新能源科技有限公司 密封型高压直流继电器

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1164565A (fr) * 1955-09-16 1958-10-13 Vickers Electrical Co Ltd Perfectionnements relatifs aux relais électro-magnétiques
DE1464867A1 (de) * 1963-11-15 1969-05-08 Chauvin Arnoux & Cie Elektromagnetisches bistabiles Relais
DE1800088B1 (de) * 1967-12-29 1970-11-12 Bassani Spa Selbsthaltendes elektromagnetisches Relais
US5652558A (en) * 1996-04-10 1997-07-29 The Narda Microwave Corporation Double pole double throw RF switch
DE19744396A1 (de) * 1997-10-08 1999-04-15 Heinrich Kissling Gmbh & Co Kg Bistabiles Relais, insbesondere für den Hochstrombereich

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3135360A1 (de) * 1981-09-07 1983-03-24 Siemens AG, 1000 Berlin und 8000 München Elektromagnetisches schaltgeraet
FR2606927B1 (fr) 1986-11-19 1991-09-13 Telemecanique Electrique Electro-aimant polarise bistable
DE19509195B4 (de) 1995-03-14 2004-07-22 Siemens Ag Gleichstrom-Magnetsystem mit Dauermagnetunterstützung
JP4031197B2 (ja) * 1997-09-18 2008-01-09 ホレック・ホーランド・エヌ・ブイ 電磁型アクチュエータ

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1164565A (fr) * 1955-09-16 1958-10-13 Vickers Electrical Co Ltd Perfectionnements relatifs aux relais électro-magnétiques
DE1464867A1 (de) * 1963-11-15 1969-05-08 Chauvin Arnoux & Cie Elektromagnetisches bistabiles Relais
DE1800088B1 (de) * 1967-12-29 1970-11-12 Bassani Spa Selbsthaltendes elektromagnetisches Relais
US5652558A (en) * 1996-04-10 1997-07-29 The Narda Microwave Corporation Double pole double throw RF switch
DE19744396A1 (de) * 1997-10-08 1999-04-15 Heinrich Kissling Gmbh & Co Kg Bistabiles Relais, insbesondere für den Hochstrombereich

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
RICHARD BOLL: "Weichmagnetische Werkstoffe" , VACUUMSCHMELZE GMBH , HANAU, DEUTSCHLAND XP002209110 * Seite 57, Spalte 1, Zeile 3 - Zeile 9; Abbildung 3.3 * *

Also Published As

Publication number Publication date
US6538541B1 (en) 2003-03-25
EP1085549A3 (fr) 2002-10-16
DE29916233U1 (de) 2001-01-25
DE50010274D1 (de) 2005-06-16
EP1085549B1 (fr) 2005-05-11

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